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HDR Light Studio 9.5.0: Professional HDRI Lighting Software

Last updated: Aug 17 2026

HDR Light Studio 9.5.0

info

HDR Light Studio is a professional-grade HDRI lighting tool that lets 3D artists quickly design, create and fine-tune HDRI studio lighting and reflection maps — including photographic studio light setups. With its real-time LightPaint workflow you click directly on the 3D model to place lights and the HDRI map updates instantly.

Features​

  • Real-time HDRI map creation and editing
  • LightPaint technology — click where you want light to appear
  • Drag & drop lighting presets and studio setups
  • Live connection with your 3D renderer, scene stays in sync
  • Bridge plugins for 3ds Max, Blender, Cinema 4D, Houdini, Maya, Modo, Octane, Unreal, Rhino and VRED

Installation Instructions​

  1. Install HDRLightStudio_Win_9.5.0.2026.0703.exe
  2. Copy the rlm folder to C:\rlm
  3. Add a user environment variable LIGHTMAP_LICENSE=C:\rlm\lightmap.lic
  4. Open CMD as admin and register the RLM-Lightmap service, then block HDRLightStudio.exe in the firewall
  5. Start the RLM-Lightmap service from Task Manager
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